10000903 has 4 divisors (see below), whose sum is σ = 10910088. Its totient is φ = 9091720.

The previous prime is 10000891. The next prime is 10000931. The reversal of 10000903 is 30900001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30900001 = 11 ⋅2809091.

It is not a de Polignac number, because 10000903 - 2⁵ = 10000871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454576 + ... + 454597.

It is an arithmetic number, because the mean of its divisors is an integer number (2727522).

Almost surely, 2^10000903 is an apocalyptic number.

10000903 is a deficient number, since it is larger than the sum of its proper divisors (909185).

10000903 is an equidigital number, since it uses as much as digits as its factorization.

10000903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909184.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 10000903 is about 3162.4204337817. The cubic root of 10000903 is about 215.4499536564.

Adding to 10000903 its reverse (30900001), we get a palindrome (40900904).

The spelling of 10000903 in words is "ten million, nine hundred three", and thus it is an aban number.